CN113646614B - 相位测量方法及信号处理装置 - Google Patents
相位测量方法及信号处理装置 Download PDFInfo
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- CN113646614B CN113646614B CN202080026581.XA CN202080026581A CN113646614B CN 113646614 B CN113646614 B CN 113646614B CN 202080026581 A CN202080026581 A CN 202080026581A CN 113646614 B CN113646614 B CN 113646614B
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- 238000012545 processing Methods 0.000 title claims abstract description 41
- 238000000691 measurement method Methods 0.000 title claims abstract description 27
- 239000013598 vector Substances 0.000 claims abstract description 485
- 239000013307 optical fiber Substances 0.000 claims abstract description 74
- 238000012935 Averaging Methods 0.000 claims abstract description 54
- 238000005259 measurement Methods 0.000 claims description 29
- 230000003287 optical effect Effects 0.000 claims description 27
- 239000002131 composite material Substances 0.000 claims description 22
- 238000012360 testing method Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 description 26
- 238000001514 detection method Methods 0.000 description 22
- 238000010586 diagram Methods 0.000 description 16
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
- G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35338—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using other arrangements than interferometer arrangements
- G01D5/35354—Sensor working in reflection
- G01D5/35358—Sensor working in reflection using backscattering to detect the measured quantity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35383—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using multiple sensor devices using multiplexing techniques
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019071644A JP7111045B2 (ja) | 2019-04-03 | 2019-04-03 | 位相測定方法及び信号処理装置 |
| JP2019-071644 | 2019-04-03 | ||
| PCT/JP2020/012211 WO2020203332A1 (ja) | 2019-04-03 | 2020-03-19 | 位相測定方法及び信号処理装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113646614A CN113646614A (zh) | 2021-11-12 |
| CN113646614B true CN113646614B (zh) | 2023-12-29 |
Family
ID=72668375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080026581.XA Active CN113646614B (zh) | 2019-04-03 | 2020-03-19 | 相位测量方法及信号处理装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US11867555B2 (ja) |
| EP (1) | EP3951334B1 (ja) |
| JP (1) | JP7111045B2 (ja) |
| CN (1) | CN113646614B (ja) |
| WO (1) | WO2020203332A1 (ja) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7111045B2 (ja) * | 2019-04-03 | 2022-08-02 | 日本電信電話株式会社 | 位相測定方法及び信号処理装置 |
| US20240118127A1 (en) | 2021-02-26 | 2024-04-11 | Nippon Telegraph And Telephone Corporation | Coherent optical measuring device, optical line test system and method |
| EP4296624A1 (en) | 2021-03-23 | 2023-12-27 | Nippon Telegraph And Telephone Corporation | Signal processing method and signal processing device |
| CN117396730A (zh) | 2021-06-09 | 2024-01-12 | 日本电信电话株式会社 | 信号处理装置、振动检测系统及信号处理方法 |
| JPWO2022259437A1 (ja) | 2021-06-09 | 2022-12-15 | ||
| US20230095884A1 (en) * | 2021-09-30 | 2023-03-30 | Halliburton Energy Services, Inc. | Detecting out-of-band signals in a wellbore using distributed acoustic sensing |
| WO2023119626A1 (ja) * | 2021-12-24 | 2023-06-29 | 日本電信電話株式会社 | 光測定システム及び光測定方法 |
| WO2024028936A1 (ja) * | 2022-08-01 | 2024-02-08 | 日本電信電話株式会社 | 光線路試験装置及び光線路試験方法 |
| WO2024028939A1 (ja) * | 2022-08-01 | 2024-02-08 | 日本電信電話株式会社 | 光線路試験装置及び光線路試験方法 |
| WO2024057462A1 (ja) * | 2022-09-14 | 2024-03-21 | 日本電信電話株式会社 | 位相ｏｔｄｒにおける信号処理方法 |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128621A (zh) * | 2010-12-23 | 2011-07-20 | 北京大学 | 用于多维矢量测量的干涉式光纤陀螺仪 |
| CN104180832A (zh) * | 2013-05-24 | 2014-12-03 | 无锡万润光子技术有限公司 | 基于四芯光纤的分布式正交矢量扰动传感系统 |
| JP2014228277A (ja) * | 2013-05-17 | 2014-12-08 | 小関 健 | 光ファイバの偏波モード分散測定装置および測定方法 |
| CN104279959A (zh) * | 2014-09-30 | 2015-01-14 | 中国电子科技集团公司第四十一研究所 | 一种采用矢量网络分析仪精确测量光纤长度的新方法 |
| CN105571507A (zh) * | 2016-01-15 | 2016-05-11 | 华北电力大学（保定） | 一种单端矢量botda动态应变测量的方法及其测量装置 |
| CN107402029A (zh) * | 2017-08-08 | 2017-11-28 | 电子科技大学 | 利用正交信号提高分布式光纤传感测量速度的方法及系统 |
| CN109073359A (zh) * | 2016-04-14 | 2018-12-21 | 日本电气株式会社 | 光纤传感器和光纤传感器系统 |
| CN109211289A (zh) * | 2018-10-19 | 2019-01-15 | 华南师范大学 | 基于圆偏振光干涉的自发布里渊散射光纤传感方法与装置 |
| WO2019018894A1 (en) * | 2017-07-26 | 2019-01-31 | Terra15 Pty Ltd | DISTRIBUTED OPTICAL DETECTION SYSTEMS AND METHODS |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2809660C (en) * | 2010-09-01 | 2016-11-15 | Schlumberger Canada Limited | Distributed fiber optic sensor system with improved linearity |
| US10247581B2 (en) * | 2014-04-28 | 2019-04-02 | Optoplan As | Interferometric optical fibre sensor system and method of interrogation |
| IL243731B (en) * | 2016-01-23 | 2021-01-31 | Dsit Solutions Ltd | Optical reflectometry in the frequency plane by non-linear frequency scanning |
| US10345138B2 (en) * | 2016-01-22 | 2019-07-09 | Nec Corporation | Method to increase the signal to noise ratio of distributed acoustic sensing by spatial averaging |
| GB2558922A (en) * | 2017-01-20 | 2018-07-25 | Focus Sensors Ltd | Distributed acoustic sensing |
| JP7111045B2 (ja) * | 2019-04-03 | 2022-08-02 | 日本電信電話株式会社 | 位相測定方法及び信号処理装置 |
| WO2020234989A1 (ja) * | 2019-05-21 | 2020-11-26 | 日本電信電話株式会社 | 位相測定方法及び信号処理装置 |
| WO2021075015A1 (ja) * | 2019-10-17 | 2021-04-22 | 日本電信電話株式会社 | 光パルス試験方法及び光パルス試験装置 |
-
2019
- 2019-04-03 JP JP2019071644A patent/JP7111045B2/ja active Active
-
2020
- 2020-03-19 US US17/440,514 patent/US11867555B2/en active Active
- 2020-03-19 WO PCT/JP2020/012211 patent/WO2020203332A1/ja unknown
- 2020-03-19 CN CN202080026581.XA patent/CN113646614B/zh active Active
- 2020-03-19 EP EP20783029.0A patent/EP3951334B1/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128621A (zh) * | 2010-12-23 | 2011-07-20 | 北京大学 | 用于多维矢量测量的干涉式光纤陀螺仪 |
| JP2014228277A (ja) * | 2013-05-17 | 2014-12-08 | 小関 健 | 光ファイバの偏波モード分散測定装置および測定方法 |
| CN104180832A (zh) * | 2013-05-24 | 2014-12-03 | 无锡万润光子技术有限公司 | 基于四芯光纤的分布式正交矢量扰动传感系统 |
| CN104279959A (zh) * | 2014-09-30 | 2015-01-14 | 中国电子科技集团公司第四十一研究所 | 一种采用矢量网络分析仪精确测量光纤长度的新方法 |
| CN105571507A (zh) * | 2016-01-15 | 2016-05-11 | 华北电力大学（保定） | 一种单端矢量botda动态应变测量的方法及其测量装置 |
| CN109073359A (zh) * | 2016-04-14 | 2018-12-21 | 日本电气株式会社 | 光纤传感器和光纤传感器系统 |
| WO2019018894A1 (en) * | 2017-07-26 | 2019-01-31 | Terra15 Pty Ltd | DISTRIBUTED OPTICAL DETECTION SYSTEMS AND METHODS |
| CN107402029A (zh) * | 2017-08-08 | 2017-11-28 | 电子科技大学 | 利用正交信号提高分布式光纤传感测量速度的方法及系统 |
| CN109211289A (zh) * | 2018-10-19 | 2019-01-15 | 华南师范大学 | 基于圆偏振光干涉的自发布里渊散射光纤传感方法与装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3951334A4 (en) | 2022-12-21 |
| EP3951334B1 (en) | 2023-11-08 |
| CN113646614A (zh) | 2021-11-12 |
| WO2020203332A1 (ja) | 2020-10-08 |
| JP7111045B2 (ja) | 2022-08-02 |
| US20220155139A1 (en) | 2022-05-19 |
| US11867555B2 (en) | 2024-01-09 |
| EP3951334A1 (en) | 2022-02-09 |
| JP2020169904A (ja) | 2020-10-15 |
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